Sigma DG 52mm Multi-Coated UV Filter
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- High-quality Sigma UV Filter blocks the invisible UV component of light from the sky
- Ideal for photography in high altitudes, by the sea and in regions with very clean air
- Pictures gain brilliance
- Elimination of the unwanted blue cast
- Protection for the front element of your lens
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This item Sigma DG 52mm Multi-Coated UV Filter
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|Item Dimensions||3.1 x 0.25 x 3.1 in||3.4 x 4.5 x 0.9 in||2.56 x 2.6 x 0.83 in||2.05 x 2.05 x 0.39 in||2.13 x 2.13 x 0.28 in||3.1 x 0.02 x 3.1 in|
This high-quality Sigma UV Filter blocks the invisible UV component of light from the sky, which can cause blur and to which many color films react with a blue cast. UV Filters are ideal for photography in high altitudes (in the mountains), by the sea and in regions with very clean air. The pictures gain brilliance and disturbing blue casts are avoided. Because the glass is colorless, color rendition is not altered, aside from the elimination of the unwanted blue cast, and no increase in exposure is required. The colorless glass also makes a UV Filter very suitable as protection for the front element of your lens against dust, flying sand, sea water spray and the like, and it can be kept on the lens at all times. It is recommended for color and black & white film, as well as digital photography. Multi-Layer Coating for Superior Protection: Sigma has treated this filter with a multi-layer coating process, which, in addition to its UV-blocking qualities, makes these filters especially scratch-resistant. This coating does not affect the optic characteristics of the filter, but significantly optimizes the protective effects.
Top Customer Reviews
I read the negative reviews before buying these. But I found the positive reviews to be more thoughtfully written and therefore gave them a bit more credence. Still, I was just a bit wary of buying anything but the "best" filters (i.e. B+W MRC or Hoya HMC) for my expensive glass. Now wait a minute. Expensive? When did it make sense that one, single sliver of glass 72mm in diameter should cost nearly as much as a lens? $80? Really?
No. Time to stop the madness. I took these filters out and USED them. Fortunately, I also have a 72mm B+W filter (MRC). I mounted it to a Canon FD 20mm f/2.8. A very sharp, very wide lens prone to ghosts and flares. I shot 8 shots with the B+W filter on a sunny day moving 1/8 turns in a circle. I was standing in a sparse wood with plenty of light and opportunity for flares and ghosts. I recorded my position for each shot. (You may think this a waste of time but I am TIRED of paying so much for *filters*. I want to save my money for *lenses* and *cameras*.
I performed the same tasks with the Sigma lens mounted. How much difference would you guess? Like the question put to Arthur Dent in Hitchhikers Guide to the Galaxy "Do you know how much damage this bulldozer would suffer if I let it just run right over you?"
Answer: None at all.
So go ahead. Buy that B+W. It will do an outstanding job. You will feel special, secure in the knowledge that if anyone looks at your lens they will know that YOU know what a good filter is. They won't be wrong. But some will think "There's a guy who spends more than he should".
Just buy the Sigma. Made in Japan, not China. The coating is excellent, the powder-coated metal ring creates no reflections. It is properly flared to avoid vignetting. I can't think of any good reason to pay double, except to impress the fat old gentleman shooting the Leica and looking smugly and knowingly at your gear.
The frame is nicely constructed from metal with a matte finish. The fame is not as thick as some of the older filter frames. The threads are smooth and fit my lens nicely. The filter frame is threaded to accept a lens hood.
At first the filter did not want to screw on. There were no visible signs on the filter indicating why this was happening. When I inspected my lens I found the barrel had a slight bend in it from where it had contacted a surface in the past. I had never noticed this before. I simply covered the barrel with a cloth and bent the barrel back round with slight twist from an adjustable wrench (smooth jaws). The filter threaded on perfectly afterwards. For those who left negative reviews regarding this filter not threading on, some of them may have had a very slight bend in the lens barrel just as I did (we are talking less than 1mm of bend).
AFTER MUCH USE:
So after months of use in multiple lighting conditions I can add some depth to this review. Still very happy with this filter. There has only been a few instances when I have removed the filter due to extremely poor lighting conditions. Overall very happy with this filter.
filter is outstanding and actually improves picture resolution and ability to focus (used on Nikon FM2). My
Nikon FM2 35mm camera (a classic) had a Quantray filter, which I thought was good enough. My pictures
never looked sharp ( Fuji ISO 100 fine grain slide film) with this filter. I thought it was a faulty 50mm lens
and then tried using one of my B&W UV filters on my 50mm lens. I noticed an immediate difference in focusing.
Then I spotted this Sigma DG 52mm MultiCoated UV filter and ordered it. What a difference it has made on my
picture taking. What looks alike isn't alike. Not all filters are the same. Some filters can have a slight distortion
or warp that you can't see when looking at the filter but do notice when focusing and looking at your results. Getting
a top quality filter like Sigma DG makes a huge difference. Worth buying and trying. Very good filter.